#425EB0#425EB0

#425EB0 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.3% C 0.134 H 267.3°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#425EB0
RGB	rgb(66, 94, 176)
HSL	hsl(225, 45%, 47%)
HSV	hsv(225, 63%, 69%)
CMYK	cmyk(62.5%, 46.6%, 0%, 31%)
CIE-LAB	lab(41.68, 15.94, -46.93)
CIE-LCH	lch(41.68, 49.57, 288.76°)
OKLab	oklab(50.3% -0.0063 -0.1341)
OKLCH	oklch(50.3% 0.134 267.3)
XYZ	xyz(14.0833, 12.2970, 42.6973)
Luminance	0.1230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425EB0 #B09442

analogous

#4295B0 #425EB0 #5D42B0

triadic

#425EB0 #B0425E #5EB042

tetradic

#425EB0 #B04295 #B09442 #42B05D

square

#425EB0 #B04295 #B09442 #42B05D

split-complementary

#425EB0 #B05D42 #95B042

monochromatic

#212E57 #314683 #425EB0 #6981C7 #95A6D7

Accessibility & contrast

On white

6.07

#425EB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#425EB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425EB0

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425EB0	#FFFFFF	#000000	##FFFFFF
##425EB0	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3668B3

Deuteranopia (green-blind)

#245EAE

Tritanopia (blue-blind)

#00717E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #425eb0;
/* rgb */ color: rgb(66, 94, 176);
/* oklch */ color: oklch(50.3% 0.134 267.3);

Tailwind

colors: {
  custom: {
    50: '#818bc8',
    500: '#425eb0',
    950: '#000000',
  },
}

SCSS

$custom: #425eb0;
$custom-light: #818bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#425eb0",
  "rgb": {
    "r": 66,
    "g": 94,
    "b": 176
  },
  "hsl": {
    "h": 224.727,
    "s": 45.455,
    "l": 47.451
  },
  "oklch": {
    "l": 0.50296,
    "c": 0.13423,
    "h": 267.3
  },
  "luminance": 0.12298
}

Semantic roles & 50–950 ramp

primary

#425EB0

secondary

#C3B58B

accent

#B453D5

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #425EB0

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →